package collention;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

/**
 * @Classname: ListDemo3
 * @Author: bromide
 * @CreateTime: 2022/4/6--15:35
 * @Version: V1.0
 * @Description: List subList(int start,int end)
 * 获取指定范围内的子集
 */
public class ListDemo3 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            list.add(i);
        }
        System.out.println(list);
        List<Integer> sublist = list.subList(3, 8);
        System.out.println(sublist);

        //将子集每个元素扩大10倍
        for (int i = 0; i < sublist.size(); i++) {
            sublist.set(i, 10 * sublist.get(i));
        }
        System.out.println(sublist);
        /*
            对子集的操作就是对原集合对应的操作
         */
        System.out.println(list);

        //删除集合中2-8这些元素
        list.subList(2, 9).clear();
        System.out.println(list);

    }
}
